19938963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5347}}^1$

素因数の和:5474

約数の個数: 16

約数和(自身を含む): 29264256

約数和(自身を除く): 9325293

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5347, 16041, 58817, 176451, 604211, 1812633, 6646321, 19938963]

約数ペア:

[(1, 19938963), (3, 6646321), (11, 1812633), (33, 604211), (113, 176451), (339, 58817), (1243, 16041), (3729, 5347)]